quiet range hood

HU-210205214

2 months ago

Anyone have a recommendation for a range hood that’s particularly quiet?

Featured Answer

kaseki

2 months ago

Ways to minimize hood system noise (given a system meeting capture and containment requirements):

Use a remote (exterior or in-line) blower
Insert a silencer between hood and blower
Use a blower that is larger in diameter and slower in blade tip velocity for a given CFM
Wrap the duct with vibration absorbing material
Use a higher quality (thicker stainless steel) hood structure
Hang duct from rafters; hang an in-line blower from rafters; stiffen area under a roof blower.
Choose a duct size that keeps the full-power air velocity in the duct closer to the lower limit of 1000 ft/min than the upper limit of 2000 ft/min.

You will always have baffle hiss due to turbulence around the baffles.

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Comments (6)

opaone
2 months ago
Good stuff from @kaseki. More here: https://bamasotan.us/range-exhaust-hood-faq/
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Crl, I'm right with you -- small kitchen with induction and need to minimize the range hood or it will overwhelm the space. A quiet range hood is at the top of my list of priorities as loud hoods go unused in my kitchen. A hood with baffles is #2 on the list as my understanding is that the mesh easily becomes clogged with grease and is then ineffective. Plus baffles are much easier to clean which is another high priority on my list. I love the look of pull out range hoods but stats show none are in the quiet range except for the Empire with dual fans. Anyway, I've concluded that for me the best compromise is the Kobe RA3830SQB-1. The undercabinet portion is less than 3" high and the deepest part of the hood (at the middle) is about 20". This narrow depth means that frying or boiling should be done on the mid to back burners to capture most of the effluent as it rises which I am prepared to do to minimize the look of the hood. The best place to find accurate stats for this hood are at The Natural Home. I believe it is on sale now for about $660 which includes shipping. Since I don't plan to have MUA either, my plan is to never run the hood above 350 cfm unless the doors or windows are open (which is very rare here in Houston). If you google gardenweb kitchen forum + Kobe RA2830 range hood, you will find someone who installed another very narrow hood in their kitchen which looks really terrific. Since keeping costs down is a major factor in your reno, you might look at the Windster WS-5530 range hood which sells for about $350 and is well rated by many posters. It uses CFL for lighting. Anyway, good luck with your quest. I would be curious to know what you finally select.
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As previously noted in many past threads, one can have at best two of the three characteristics: performance, aesthetics, and "not overly pricey." One can also trade off among these for some balanced result. But in no case will a hood or hood insert suitable for a 48-inch range that will actually be used for cooking not be pricey by most observers' senses of valuation. One should be aware of not only the insert's and exhaust blower's costs, but also the necessity for make-up air (MUA). Supply of MUA in many or most cases requires some type of MUA system, with its own ducting, blower, control system, and perhaps filter. In this Appliance section of Houzz there are many hood threads developed over the past 10 years with information related to manufacturers, and more importantly for beginners, information related to requirements, particularly performance requirements, but also approaches to keeping down noise. Rather than repeat all these here with all the necessary background information, please take some time to search these out and review them. Then specific answers can be given without requiring an extensive level of commentary. This should also clarify the scope of information you will have to provide to refine the analysis.
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luka0007
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@kaseki - a note of appreciation to you and to Bamasotan on your excellent contributions. They have informed my famlies kitchen remodel and choices for Exhaust and MAU.

We've went with the Ventahood RM1000. There may be better choices but it meets our needs. It will have a 10" round duct run ~6' to the customer Ventahood wall-mounted liner. Our MAU is an Electro Make-Up Air EM-MF15-240-1-14.

This all was initiated by my own research upon deciding to purchase a 30" Capital Range, open burner, which I knew would require improved ventalation.

We're in the middle of our project now and my only fear is that I did not push for a silencer in the duct run. Not sure how big of a miss this may be.

We live in St. Paul in a modest Cape-Cod and our kitchen is a galley style from 1930. Not a lot of space, but we did insist our Ventahood Liner be 34" in width and 22.5" deep. We're sacrificing some cabinet space to make this work, but it's worth it.

We're hopeful this turns out well and that our choices will mitigage (not eliminate) the hood noise. We've got a simple 250 cfm Ventahood that was older and loud enough that you can't comfortablly hold a conversation in the kitchen. Then again, we have a small galley style kitchen so it's typically just my Wife and me. Somtimes the kids...but just sometimes.

Appreciate any thoughts and guidance.
kaseki
2 months ago
If a Fantech LD-10 can be fitted, it will provide quieting of a large part of the noise spectrum of an external blower. It is 14 inches in diameter, so incorporation will depend on factors not described above.

This forum has several threads in which are discussed the introduction of MUA to the kitchen in a manner that doesn't induce turbulence in the cooking plumes. They may be useful.
luka0007
2 months ago
This is very much appreciated @kaseki. I'll review the MAU threads and compare against what our HVAC and Kitchen Designer aligned on. At this moment our MAU will have four points with the goal of even, non-disruptive distrubtion.

1. Toekick vent on the opposite side of the galley kitchen from the stove

2. Vent into mechanical room (gas furnace, gas water heater, gas dryer)

3. Difuser into the basemnet stairs (these are adjacent to the kitchen)

4. Tied into our HVAC system

I plan to create a kitchen post to give back to the community that I have spent hours reading and learning from.
kaseki
2 months ago
last modified: 2 months ago
As long as the "team" understands that all pressure losses (re. atmospheric) in the various MUA paths move the kitchen hood system blower performance to the left and need to be accounted for you should be OK. In other words, the MUA system is part of the "system" in the figure below.

This means that the Electro Industries heater pressure loss, any filter pressure loss, MUA ducting pressure loss, and register/diffuser pressure loss add to the pressure loss of the hood baffles and ducting. If the MUA system has a blower (and appropriate control system), then that added pressure moves the hood system performance back toward the right in the figure (click to expand).

Other points:
- basement stairs for MUA delivery need open path to kitchen; paths blocked from kitchen do not count
- size of toe-kick area used may need to be fairly large (more than one cabinet)
- toe-kick flow must not reflect off of the cook, islands, etc. such that turbulent flow reaches the cooktop; I would consider having a toe-kick feed on the stove side pointing away from the stove, offset laterally from the stove, or offset the register on the opposite side so flow is not directly aimed at the stove.

quiet range hood

kaseki

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opaone

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